How many liters are in 1 US gallon?

1 US liquid gallon equals exactly 3.785411784 liters (approximately 3.785 L). In contrast, 1 UK imperial gallon equals 4.54609 liters.

How many fluid ounces are in a US gallon?

There are 128 US fluid ounces (fl oz) in 1 US liquid gallon. It also equals 4 quarts, 8 pints, or 16 cups.

How do you convert gas price per gallon to price per liter?

Divide the price per gallon by 3.7854. For example, if gasoline costs $3.50 per gallon in the US, the equivalent cost per liter is $3.50 / 3.7854 = $0.925 per liter.

US Volume Conversions

Gallon to Liter Calculator (US)

Instantly convert between US liquid gallons, liters, dry gallons, imperial gallons, and fluid ounces with real-time fuel and price comparisons.

Converted Volume -

Gallon Standard

Volume in Gallons (gal) 5 Gallons

gal

Gas / Fuel Price ($ per Gallon) $3.50/gal

Converted Volume

Equivalent to -

Liters (L)

Fluid Ounces (fl oz)

US Quarts (qt)

US Pints (pt)

Equivalent $/Liter

Total Fill Cost

Quick Reference Conversion Chart

Gallons (gal)	Liters (L)	Fluid Ounces (fl oz)	Quarts (qt)	Pints (pt)